<form action="{% url 'polls:vote' question.id %}" method="post">

{% csrf_token %}

<fieldset>
    <legend><h1>{{question.question_text}}</h1></legend>
    {% if error_message %}<p><strong>{{error_message}}</strong></p>{% endif %}
    {% for choice in question.choice_set.all %}
      <input type="radio" name="choice" id="choice{{ forloop.counter }}" value="{{choice.id}}">
      <label for="choice{{ forloop.counter }}">{{ choice.choice_text }} </label><br>
    {% endfor %}
</fieldset>
<input type="submit" value="Vote">
</form>